Trace number 34876

Some explanations

A solver is run under the control of another program named runsolver. runsolver is in charge of imposing the CPU time limit and the memory limit to the solver. It also monitors some information about the process. The trace of the execution of a solver is divided into four (or five) parts:
  1. SOLVER DATA
    This is the output of the solver (stdout and stderr).
    Note that some very long lines in this section may be truncated by your web browser ! In such a case, you may want to use the "Download as text" link to get the trace as a text file.

    When the --timestamp option is passed to the runsolver program, each line output by the solver is prepended with a timestamp which indicates at what time the line was output by the solver. Times are relative to the start of the program, given in seconds, and are wall clock time (not CPU time).

    As some 'v lines' may be very long (sometimes several megabytes), the 'v line' output by your solver may be split on several lines to help limit the size of the trace recorded in the database. In any case, the exact output of your solver is preserved in a trace file.
  2. VERIFIER DATA
    The output of the solver is piped to a verifier program which will search a value line "v " and, if found, will check that the given interpretation satisfies all constraints.
  3. CONVERSION SCRIPT DATA (Optionnal)
    When a conversion script is used, this section shows the messages that were output by the conversion script.
  4. WATCHER DATA
    This is the informations gathered by the runsolver program. It first prints the different limits. There's a first limit on CPU time set to X seconds (see the parameters in the trace). After this time has ellapsed, runsolver sends a SIGTERM and 2 seconds later a SIGKILL to the solver. For safety, there's also another limit set to X+30 seconds which will send a SIGXPU to the solver. The last limit is on the virtual memory used by the process (see the parameters in the trace).
    Every ten seconds, the runsolver process fetches the content of /proc/loadavg, /proc/pid/stat and /proc/pid/statm (see man proc) and prints it as raw data. This is only recorded in case we need to investigate the behaviour of a solver. The memory used by the solver (vsize) is also given every ten seconds.
    When the solver exits, runsolver prints some informations such as status and time. CPU usage is the ratio CPU Time/Real Time.
  5. LAUNCHER DATA
    These informations are related to the script which will launch the solver. The most important informations are the command line given to the solver, the md5sum of the different files and the dump of the /proc/cpuinfo and /proc/meminfo which provides some useful information on the computer.

Solver answer on this benchmark

Solver NameAnswerObjective functionCPU timeWall clock time
minisat+ 1.14OPT0 47.7927 47.812

General information on the benchmark

Namenormalized-PB06/OPT-MEDINT/mps-v2-20-10/MIPLIB/
miplib/normalized-mps-v2-20-10-enigma.opb
MD5SUM40c4ca45f28cf4c12979bc2b22100ada
Bench CategoryOPT-MEDINT (optimisation, medium integers)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark0
Best CPU time to get the best result obtained on this benchmark0.173973
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 0
Optimality of the best value was proved YES
Number of variables100
Total number of constraints21
Number of constraints which are clauses0
Number of constraints which are cardinality constraints (but not clauses)20
Number of constraints which are nor clauses,nor cardinality constraints1
Minimum length of a constraint9
Maximum length of a constraint90
Number of terms in the objective function 9
Biggest coefficient in the objective function 9
Number of bits for the biggest coefficient in the objective function 4
Sum of the numbers in the objective function 45
Number of bits of the sum of numbers in the objective function 6
Biggest number in a constraint 900207
Number of bits of the biggest number in a constraint 20
Biggest sum of numbers in a constraint 9508275
Number of bits of the biggest sum of numbers24
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Quality of the solution as a function of time


Download the above graph as a PDF file / as an EPS file

Solver Data (download as text)

0.00	c Parsing PB file...
0.01	c Converting 42 PB-constraints to clauses...
0.01	c   -- Unit propagations: (none)
0.01	c   -- Detecting intervals from adjacent constraints: #####################
0.01	c   -- Clauses(.)/Splits(s): (none)
0.01	c ---[  40]---> Adder-cost: 1034   maxlim: 5014125   bits: 24/23
8.80	c ---[  38]---> BDD-cost:   17
8.80	c ---[  36]---> BDD-cost:   17
8.80	c ---[  34]---> BDD-cost:   17
8.80	c ---[  32]---> BDD-cost:   17
8.80	c ---[  30]---> BDD-cost:   17
8.80	c ---[  28]---> BDD-cost:   17
8.80	c ---[  26]---> BDD-cost:   17
8.81	c ---[  24]---> BDD-cost:   17
8.81	c ---[  22]---> BDD-cost:   17
8.81	c ---[  20]---> BDD-cost:   17
8.81	c ---[  18]---> BDD-cost:   15
8.81	c ---[  16]---> BDD-cost:   17
8.81	c ---[  14]---> BDD-cost:   17
8.81	c ---[  12]---> BDD-cost:   17
8.81	c ---[  10]---> BDD-cost:   17
8.81	c ---[   8]---> BDD-cost:   17
8.81	c ---[   6]---> BDD-cost:   17
8.81	c ---[   4]---> BDD-cost:   17
8.81	c ---[   2]---> BDD-cost:   17
8.81	c ---[   0]---> BDD-cost:   17
8.81	c ==================================[MINISAT+]==================================
8.81	c | Conflicts | Original         | Learnt                           | Progress |
8.81	c |           | Clauses Literals |     Max Clauses Literals     LPC |          |
8.81	c ==============================================================================
8.81	c |         0 |    7914    27392 |    2638       0        0     nan |  0.000 % |
8.82	c |       100 |    7914    27392 |    2901     100      750     7.5 |  4.482 % |
8.85	c |       250 |    7914    27392 |    3191     250     8052    32.2 |  4.482 % |
8.88	c |       477 |    7906    27366 |    3511     476    16412    34.5 |  4.549 % |
8.93	c |       814 |    7906    27366 |    3862     813    29295    36.0 |  4.549 % |
9.03	c |      1320 |    7906    27366 |    4248    1319    53243    40.4 |  4.549 % |
9.17	c |      2083 |    7906    27366 |    4673    2082    86219    41.4 |  4.549 % |
9.42	c |      3223 |    7906    27366 |    5140    3222   129430    40.2 |  4.549 % |
9.85	c |      4935 |    7906    27366 |    5654    4934   204069    41.4 |  4.549 % |
10.54	c |      7498 |    7906    27366 |    6220    4569   182642    40.0 |  4.549 % |
11.63	c |     11343 |    7898    27340 |    6842    5185   194040    37.4 |  4.615 % |
13.22	c |     17109 |    7890    27314 |    7526    3836   126105    32.9 |  4.682 % |
15.28	c |     25759 |    7890    27314 |    8279    4687   124352    26.5 |  4.682 % |
18.67	c |     38733 |    7873    27257 |    9107    4823   151058    31.3 |  4.816 % |
24.32	c |     58194 |    7864    27226 |   10017    5540   162361    29.3 |  4.883 % |
33.33	c |     87386 |    7864    27226 |   11019    9021   302378    33.5 |  4.883 % |
46.96	c |    131175 |    7847    27169 |   12121    7766   264819    34.1 |  5.017 % |
47.52	c ==============================================================================
47.52	c Found solution: 1
47.52	o 1
47.52	c ==================================[MINISAT+]==================================
47.52	c | Conflicts | Original         | Learnt                           | Progress |
47.52	c |           | Clauses Literals |     Max Clauses Literals     LPC |          |
47.52	c ==============================================================================
47.52	c |    132965 |    7286    25281 |    2428    7891   265912    33.7 |  5.017 % |
47.55	c |    133067 |    7286    25281 |    2670    2076    38335    18.5 | 10.702 % |
47.58	c |    133219 |    7286    25281 |    2937    2228    43669    19.6 | 10.702 % |
47.63	c |    133444 |    7286    25281 |    3231    2453    51613    21.0 | 10.702 % |
47.72	c |    133781 |    7286    25281 |    3554    2790    63001    22.6 | 10.702 % |
47.80	c ==============================================================================
47.80	c Found solution: 0
47.80	o 0
47.80	c Optimal solution: 0
47.80	s OPTIMUM FOUND
47.80	v -x2 -x3 -x4 -x5 -x6 -x7 -x8 -x9 -x10 -x12 -x13 -x14 -x15 -x16 -x17 -x18 x19 -x20 -x22 -x23 -x24 -x25 x26 -x27 -x28 -x29 -x30 -x32
47.80	v -x33 -x34 -x35 -x36 x37 -x38 -x39 -x40 -x42 -x43 -x44 x45 -x46 -x47 -x48 -x49 -x50 -x52 -x53 -x54 -x55 -x56 -x57 -x58 -x59 x60
47.80	v x62 -x63 -x64 -x65 -x66 -x67 -x68 -x69 -x70 -x72 -x73 -x74 -x75 -x76 -x77 x78 -x79 -x80 -x82 x83 -x84 -x85 -x86 -x87 -x88 -x89
47.80	v -x90 -x92 -x93 x94 -x95 -x96 -x97 -x98 -x99 -x100 x1 -x11 -x21 -x31 -x41 -x51 -x61 -x71 -x81 -x91
47.80	c _______________________________________________________________________________
47.80	c 
47.80	c restarts              : 22
47.80	c conflicts             : 134132         (2807 /sec)
47.80	c decisions             : 159959         (3348 /sec)
47.80	c propagations          : 0              (0 /sec)
47.80	c inspects              : 0              (0 /sec)
47.80	c CPU time              : 47.7837 s
47.80	c _______________________________________________________________________________

Verifier Data (download as text)

OK	0

Watcher Data (download as text)

Enforcing CPU limit (will send SIGTERM then SIGKILL): 1800 seconds
Enforcing CPUTime (will send SIGXCPU) limit: 1830 seconds
Enforcing Stack size limit: 67108864 bytes
Enforcing memory limit (will send SIGKILL): 1843200 Kb
Enforcing VSIZE limit: 1887436800 bytes
runsolver version 3.0.0 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node23/watcher-34876-1149322403 -o ROOT/results/node23/solver-34876-1149322403 -C 1800 -M 1800 -S 64 ROOT/solvers/PB/PB06final/user7/minisat+ ROOT/tmp/node23/34876-1149322403/instance-34876-1149322403.opb 

Current StackSize limit: 67108864 bytes

/proc/loadavg: 0.89 0.85 0.88 2/64 23349
/proc/meminfo: memFree=1840728/2055920 swapFree=4180884/4192956
[pid=23349] ppid=23347 vsize=1048 CPUtime=0
/proc/23349/stat : 23349 (minisat+) R 23347 23349 23303 0 -1 4194304 106 0 0 0 0 0 0 0 19 0 1 0 197903946 1073152 91 18446744073709551615 134512640 135395479 4294956672 18446744073709551615 135007481 0 0 4096 16386 0 0 0 17 1 0 0
/proc/23349/statm: 262 92 71 215 0 44 0

[startup+10.0025 s]
/proc/loadavg: 0.90 0.86 0.88 2/64 23349
/proc/meminfo: memFree=1838448/2055920 swapFree=4180884/4192956
[pid=23349] ppid=23347 vsize=3408 CPUtime=9.99
/proc/23349/stat : 23349 (minisat+) R 23347 23349 23303 0 -1 4194304 726 0 0 0 999 0 0 0 25 0 1 0 197903946 3489792 711 18446744073709551615 134512640 135395479 4294956672 18446744073709551615 134580947 0 0 4096 16386 0 0 0 17 1 0 0
/proc/23349/statm: 852 711 122 215 0 634 0
Current children cumulated CPU time (s) 9.99
Current children cumulated vsize (Kb) 3408

[startup+20.0086 s]
/proc/loadavg: 0.92 0.86 0.88 2/64 23349
/proc/meminfo: memFree=1837616/2055920 swapFree=4180884/4192956
[pid=23349] ppid=23347 vsize=4332 CPUtime=19.99
/proc/23349/stat : 23349 (minisat+) R 23347 23349 23303 0 -1 4194304 975 0 0 0 1999 0 0 0 25 0 1 0 197903946 4435968 960 18446744073709551615 134512640 135395479 4294956672 18446744073709551615 134580950 0 0 4096 16386 0 0 0 17 1 0 0
/proc/23349/statm: 1083 960 122 215 0 865 0
Current children cumulated CPU time (s) 19.99
Current children cumulated vsize (Kb) 4332

[startup+30.0158 s]
/proc/loadavg: 0.93 0.86 0.88 2/64 23349
/proc/meminfo: memFree=1837424/2055920 swapFree=4180884/4192956
[pid=23349] ppid=23347 vsize=4592 CPUtime=29.99
/proc/23349/stat : 23349 (minisat+) R 23347 23349 23303 0 -1 4194304 1039 0 0 0 2999 0 0 0 25 0 1 0 197903946 4702208 1024 18446744073709551615 134512640 135395479 4294956672 18446744073709551615 134580744 0 0 4096 16386 0 0 0 17 1 0 0
/proc/23349/statm: 1148 1024 122 215 0 930 0
Current children cumulated CPU time (s) 29.99
Current children cumulated vsize (Kb) 4592

[startup+40.0209 s]
/proc/loadavg: 0.94 0.87 0.89 2/64 23349
/proc/meminfo: memFree=1837040/2055920 swapFree=4180884/4192956
[pid=23349] ppid=23347 vsize=4992 CPUtime=40
/proc/23349/stat : 23349 (minisat+) R 23347 23349 23303 0 -1 4194304 1131 0 0 0 4000 0 0 0 25 0 1 0 197903946 5111808 1116 18446744073709551615 134512640 135395479 4294956672 18446744073709551615 134580759 0 0 4096 16386 0 0 0 17 1 0 0
/proc/23349/statm: 1248 1116 122 215 0 1030 0
Current children cumulated CPU time (s) 40
Current children cumulated vsize (Kb) 4992

Child status: 30
Real time (s): 47.812
CPU time (s): 47.7927
CPU user time (s): 47.7837
CPU system time (s): 0.008998
CPU usage (%): 99.9597
Max. virtual memory (cumulated for all children) (Kb): 4992

Launcher Data (download as text)

Begin job on node23 on Sat Jun  3 08:13:23 UTC 2006


FILE ID= 34876-1149322403

PBS_JOBID= 309414

BENCH NAME= HOME/pub/bench/PB06//final/normalized-PB06/OPT-MEDINT/mps-v2-20-10/MIPLIB/miplib/normalized-mps-v2-20-10-enigma.opb
COMMAND LINE= ROOT/solvers/PB/PB06final/user7/minisat+ ROOT/tmp/node23/34876-1149322403/instance-34876-1149322403.opb
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node23/watcher-34876-1149322403 -o ROOT/results/node23/solver-34876-1149322403 -C 1800 -M 1800 -S 64  ROOT/solvers/PB/PB06final/user7/minisat+ ROOT/tmp/node23/34876-1149322403/instance-34876-1149322403.opb

MD5SUM SOLVER= 490d1d4b9bbf010afe7f0af63a5a62db
MD5SUM BENCH=  40c4ca45f28cf4c12979bc2b22100ada

RANDOM SEED= 702079149


/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 15
model		: 4
model name	:                   Intel(R) Xeon(TM) CPU 3.00GHz
stepping	: 3
cpu MHz		: 3000.213
cache size	: 2048 KB
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5931.00
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 15
model		: 4
model name	:                   Intel(R) Xeon(TM) CPU 3.00GHz
stepping	: 3
cpu MHz		: 3000.213
cache size	: 2048 KB
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5586.94
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1841064 kB
Buffers:          1112 kB
Cached:         153576 kB
SwapCached:       3412 kB
Active:          29308 kB
Inactive:       133784 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1841064 kB
SwapTotal:     4192956 kB
SwapFree:      4180884 kB
Dirty:             172 kB
Writeback:           0 kB
Mapped:          14696 kB
Slab:            37744 kB
Committed_AS:   323160 kB
PageTables:       1424 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264952 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB


End job on node23 on Sat Jun  3 08:14:11 UTC 2006